Weeks later, another was shot dead in a cyber café.
She was dressed in a Cyber Goth outfit identical to the one she had been wearing Friday night.
TalkTalk has confirmed the number of customers whose data was hacked in a cyber attack as 21,000.
They have also reinforced a belief in some quarters that America is already engaged in a cyber war of sorts, most notably with China.
Customer information from more than 130,000 users of the Three mobile network has been compromised in a cyber security breach, the mobile operator has said.
And in a cyber market where Tokyo kids can download the music of a Dallas punk-rock band, this distinction may be meaningless.
They can sample criminology, find out about the student union, try balancing a budget and play spot-the-difference in a cyber version of a student's scruffy room.
The article reports that an estimated 250,000 students in 2010-11 attend school online, sometimes in the form of full-time public cyberschools, sometimes in a cyber "hybrid" school.
In October, Leon Panetta, the Defense Secretary at the time, warned that "an aggressor nation or extremist group could gain control of critical switches and derail passenger trains, or trains loaded with lethal chemicals," resulting in a "cyber Pearl Harbor".
Given the risks, there is a growing pressure to engage in a cyber arms race, a generational effort to meet force with force that would, no doubt, enrich some members of the national-security industry.
Action represents the set of possible actions of the subjects in a cyber system.
